/*
 * The MIT License
 *
 * Copyright 2012 http://generic-toolset.googlecode.com.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.rlpw.lang;

import java.io.*;
import java.util.Collection;

/**
 *
 */
public class Log {

    private static PrintWriter pw;

    public static void setCodepage(String cp) {
        try {
            pw = new PrintWriter(new OutputStreamWriter(System.out, cp));
        } catch (Exception e) {
            pw = new PrintWriter(System.out);
        }
    }

    public static PrintWriter writer() {
        if (pw == null) {
            setCodepage(null);
        }
        return pw;
    }

    public static void outln(Object... oa) {
        out(oa);
        out("\n");
    }

    public static void out(Object... oa) {
        for (int i = 0; i < oa.length; i++) {
            writer().print(oa[i]);
        }
        writer().flush();
    }

    public static void outln(Collection<?> list) {
        boolean skipFirst = true;
        for (Object obj : list) {
            if (!skipFirst) {
                out(", ");
            } else {
                skipFirst = false;
            }
            out(obj);
        }
        out("\n");
    }
}
